Issue 6 (June 1931)

  1. Journal of the Society of Motion Picture Engineers — Cover InformationOpen access
  2. Journal of the Society of Motion Picture Engineers — Table of Contents InformationOpen access
  3. Noise Reduction with Variable Area Recording Original Research
  4. Properties of Low Intensity Reflecting Arc Projector Carbons Original Research
  5. The Ribbon Microphone Original Research
  6. Some Interesting Properties of Continuous Projectors Original Research
  7. An A-C. Operated Sound Motion Picture Reproducing Equipment Original Research
  8. The Mercury Arc as a Source of Intermittent Light Original Research
  9. The Photoflash Lamp Original Research
  10. Hand-Coloring of Motion Picture Film Original Research
  11. Recording, Re-Recording, and Editing of Sound Original Research
  12. Treatment for Rejuvenating and Preserving Motion Picture Film Original Research
  13. Storage and Handling of Motion Picture Film Original Research
  14. Committee Activities: Important Communication from the Papers Committee InformationOpen access
  15. Abstracts InformationOpen access
  16. Abstracts of Recent U. S. Patents InformationOpen access
  17. Society of Motion Picture Engineers: Officers 1930–1931 InformationOpen access
  18. Committees: 1930–1931 InformationOpen access
  19. Contributors to this Issue InformationOpen access
  20. Society Announcements InformationOpen access